FR599633A - Installations télephoniques - Google Patents

Installations télephoniques

Info

Publication number
FR599633A
FR599633A FR599633DA FR599633A FR 599633 A FR599633 A FR 599633A FR 599633D A FR599633D A FR 599633DA FR 599633 A FR599633 A FR 599633A
Authority
FR
France
Prior art keywords
telephone installations
installations
telephone
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
English (en)
Inventor
Edward Alexander Driscoll
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of FR599633A publication Critical patent/FR599633A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
  • Telephone Set Structure (AREA)
FR599633D 1925-06-08 1925-06-16 Installations télephoniques Expired FR599633A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB14838/25A GB256002A (en) 1925-06-08 1925-06-08 Improvements in telephone installations

Publications (1)

Publication Number Publication Date
FR599633A true FR599633A (fr) 1926-01-16

Family

ID=10048358

Family Applications (1)

Application Number Title Priority Date Filing Date
FR599633D Expired FR599633A (fr) 1925-06-08 1925-06-16 Installations télephoniques

Country Status (3)

Country Link
US (1) US1575743A (fr)
FR (1) FR599633A (fr)
GB (1) GB256002A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4581490A (en) * 1983-12-22 1986-04-08 Richard Genender Wall telephone assembly

Also Published As

Publication number Publication date
GB256002A (en) 1926-08-05
US1575743A (en) 1926-03-09

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